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Liberty
Open Source Liberty is a comprehensive online resource for the Liberty library modeling standard. In addition to providing up to date Liberty format specifications for download, this site hosts the Liberty Discussion Forum, where members of the semiconductor community can interact with each other and discuss topics relating to Liberty and the Composite Current Source (CCS) modeling technology.

VMM Central
VMM Central is a comprehensive online resource for designers using VMM – the semiconductor industry’s most widely used and proven verification methodology. VMM Central offers the latest VMM-related news and a broad array of useful resources, such as a VMM Discussion Forum, where you can engage with verification engineers and other industry experts and obtain VMM-related support.

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